Fix change current user name failed.

src/dialogs/ChangePasswordFormDialog.cpp

@@ -37,6 +37,7 @@ void ChangePasswordFormDialog::initLayout()
     layout->addWidget(mLEPasswd);
     auto lblEndline1 = new QLabel(this);
     lblEndline1->setObjectName("endline");
+    lblEndline1->setFixedHeight(3);
     layout->addWidget(lblEndline1);
 
     //add new password
@@ -47,6 +48,7 @@ void ChangePasswordFormDialog::initLayout()
     layout->addWidget(lblNewPasswd);
     layout->addWidget(mLENewPasswd);
     auto lblEndline2 = new QLabel(this);
+    lblEndline2->setFixedHeight(3);
     lblEndline2->setObjectName("endline");
     layout->addWidget(lblEndline2);
 
@@ -58,6 +60,7 @@ void ChangePasswordFormDialog::initLayout()
     layout->addWidget(lblConfirm);
     layout->addWidget(mLEConfirmPasswd);
     auto lblEndline3 = new QLabel(this);
+    lblEndline3->setFixedHeight(3);
     lblEndline3->setObjectName("endline");
     layout->addWidget(lblEndline3);